Bear Lake Tree Ring Chronology for Climate Reconstruction

NOAA's World Data Service for Paleoclimatology archives this tree ring dataset from Bear Lake, British Columbia, Canada. It provides a chronology for climate reconstruction covering 210 years, from 177 to -33 calendar years before present. The data was published by NOAA National Centers for Environmental Information in 1983.

Use Cases

• Reconstruct historical temperature or precipitation anomalies by analyzing the tree ring width time-series.
• Calibrate climate proxy models by correlating the ring chronology with known historical climate events.
• Study long-term forest growth trends and responses to environmental stressors using the dated ring sequences.
• Validate regional climate model simulations for the past two centuries using this high-resolution proxy record.

Strengths

• 210-year continuous chronology for climate analysis
• Data is curated and archived by the authoritative NOAA World Data Service for Paleoclimatology

Limitations

• Dataset is temporally stale, with a last update date of 1983
• Specific sample size, measurement parameters, and replication statistics are unknown from the provided metadata

Provenance

Source

NOAA National Centers for Environmental Information (NCEI) / World Data Service (WDS) for Paleoclimatology

Collection Method

Tree ring analysis (dendrochronology) from Pseudotsuga menziesii (PSME) samples.

Time Range

177 to -33 calendar years before present (BP)

Freshness

1983-01-01

Geography

Bear Lake, British Columbia, Canada